21699105

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 36408960

約数和(自身を除く): 14709855

約数列:

[1, 3, 5, 15, 29, 83, 87, 145, 249, 415, 435, 601, 1245, 1803, 2407, 3005, 7221, 9015, 12035, 17429, 36105, 49883, 52287, 87145, 149649, 249415, 261435, 748245, 1446607, 4339821, 7233035, 21699105]

約数ペア:

[(1, 21699105), (3, 7233035), (5, 4339821), (15, 1446607), (29, 748245), (83, 261435), (87, 249415), (145, 149649), (249, 87145), (415, 52287), (435, 49883), (601, 36105), (1245, 17429), (1803, 12035), (2407, 9015), (3005, 7221)]